/proc/sys/vm/drop_caches values

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I want to know what values are possible for drop_caches, and what the meaning of that values are.



For example:



echo 3 > /proc/sys/vm/drop_caches


What does number 3 mean?
Are the numbers, 1, 2 or other numbers true? if yes what are the meaning of them?









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    up vote
    -1
    down vote

    favorite












    I want to know what values are possible for drop_caches, and what the meaning of that values are.



    For example:



    echo 3 > /proc/sys/vm/drop_caches


    What does number 3 mean?
    Are the numbers, 1, 2 or other numbers true? if yes what are the meaning of them?









    share























      up vote
      -1
      down vote

      favorite









      up vote
      -1
      down vote

      favorite











      I want to know what values are possible for drop_caches, and what the meaning of that values are.



      For example:



      echo 3 > /proc/sys/vm/drop_caches


      What does number 3 mean?
      Are the numbers, 1, 2 or other numbers true? if yes what are the meaning of them?









      share













      I want to know what values are possible for drop_caches, and what the meaning of that values are.



      For example:



      echo 3 > /proc/sys/vm/drop_caches


      What does number 3 mean?
      Are the numbers, 1, 2 or other numbers true? if yes what are the meaning of them?







      linux performance cache ram





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      asked 4 mins ago









      yasin

      163




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